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Nina [5.8K]
4 years ago
13

Why can liquid boil at a low pressure?

Chemistry
1 answer:
Paladinen [302]4 years ago
7 0

Answer: I found this online. Hope it helps you.

Explanation:

This pressure is transmitted throughout the liquid and makes it more difficult for bubbles to form and for boiling to take place. If the pressure is reduced, the liquid requires less energy to change to a gaseous phase, and boiling occurs at a lower temperature.

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Answer:

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Explanation:

3 0
3 years ago
What is the cause of discoloring of Taj Mahal
krek1111 [17]

Answer:

Fossil fuels and biomass combustion.

Explanation:

The mass combustion of fossil fuels and biomass results in the vast release of Black Carbon (BC) and Brown Carbon (BrC) and dust. These Black Carbon, light absorbing organic Brown Carbon and dust cause the discolouring and yellowing of the surface of Taj Mahal building.

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3 years ago
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How does a gas become plasma?
lesya692 [45]
A plasma is an ionized gas, a gas into which sufficient energy is provided to free electrons from atoms or molecules and to allow both species, ions and electrons, to coexist
4 0
3 years ago
What is the h oh ph and poh of a 0.005m solution of calcium hydroxide?
fiasKO [112]

Answer: [OH^{-}]= 0.01M or 1.0\times 10^{-2}M

[H^{+}]= 1.0\times 10^{-12}M

pH = 12

pOH = 2

Explanation: Calcium hydroxide (Ca(OH)_{2}) is a strong base that dissociates completely.

Dissociation equation of Calcium hydroxide is :

Ca(OH)_{2} \rightarrow Ca^{+2} + 2OH^{-}

1. Concentration of [OH-]

1 mol Ca(OH)_{2} produces 2 mol OH- ions.

The given solution is 0.005M Ca(OH)_{2} , then  concentration of OH- would be twice the concentration of Ca(OH)_{2}

[OH^{-}] = 0.005\times 2 = 0.01M or 1.0\times 10^{-2}M

2.Concentration of [H+]

Concentration of [H+] can be calculated by the formula: [H^{+}] = \frac{Kw}{[OH^{-}]}

kw = ionic product of water and its values is (1\times 10^{-14})

[OH-] = 0.01 M or 1.0\times 10^{-2}M

[H^{+}] = \frac{(1\times 10^{-14})}{[OH^{-}]}

[H^{+}] = \frac{(1\times 10^{-14})}{[0.01]}

[H^{+}] = 1.0\times 10^{-12}M

3. pH value

pH is calculated by the formula : pH = -log[H^{+}]

pH = -log[1.0\times 10^{-12}]

pH = 12

4. pOH value

pOH is calculated by the formula : pOH = 14 - pH

pOH = 14 - 12

pOH = 2

pOH can also be calculated by using a different formula which is :

pOH = -log(OH^{-})

pOH = -log(0.01)

pOH = 2.


3 0
3 years ago
The landscape feature that forms when plate movement forces the crust to bend downward is a.......
mariarad [96]
It is called a syncline.

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